Los Llopis

Los Llopis was Cuban music quartet who were active in Cuba in 1950s and Spain in 1960s, and ended their career in the United States. The members were two brothers Manuel "Ñolo" Llopis and Francisco "Frank" LLopis, as well as Leandro Torres and Manolo Vega. The group is credited with the introduction of Spanish-language rock and roll ("rock en español") to Spain.